Home / 7,218,000.80-10,829,917.20-3,175,258.40

Finding the Fourth Proportional to 7,218,000.80, 10,829,917.20 and 3,175,258.40

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Solution

The fourth proportional to 7,218,000.80, 10,829,917.20 and 3,175,258.40 is: 4,764,170.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,218,000.80 : 10,829,917.20 = 3,175,258.40 : x
  2. Step 2: Convert to fraction form
    7,218,000.80/10,829,917.20 = 3,175,258.40/x
  3. Step 3: Cross multiply
    7,218,000.80x = 10,829,917.20 × 3,175,258.40
  4. Step 4: Simplify right side
    7,218,000.80x = 34,387,785,560,604.48
  5. Step 5: Solve for x
    x = 34,387,785,560,604.48/7,218,000.80
  6. Step 6: Final answer
    x = 4,764,170.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.